diff --git a/ApplicationAmicalsat/src/site/markdown/UserManual.md b/ApplicationAmicalsat/src/site/markdown/UserManual.md
index 1dd13d90789aef2657e8c4408d7310453c3868ac..a641dbd24aec4bb703287956c8ecc70e251f218f 100644
--- a/ApplicationAmicalsat/src/site/markdown/UserManual.md
+++ b/ApplicationAmicalsat/src/site/markdown/UserManual.md
@@ -1,4 +1,3 @@
-
 # Logiciel AmicalsatDecoder 
 
 ## Contexte 
@@ -36,26 +35,34 @@ After downloaded the sofware :
 ### Linux
 
  Uncompress the file with the following command :
- 
+
+```
     tar -xzvf AmicalsatDecoderWithJRE.gz
+```
+For some Linux distribution like Unbuntu, the following library should be added :
 
+```
+    sudo apt-get install libjpeg62
+```
 
 ## Running software
 
 
  In the software directory : 
 
-### pour windows 
+### pour windows
+
  * clic twice on  "launchAmicalsat.bat "
  * or launch the script in widows cmd console
-      
+```      
       launchAmicalsat.bat
- 
+``` 
 ### pour linux 
+
  * launch the script :  
- 
-    LanchAmicalsatDecoder.sh
- 
+ ```
+    ./LaunchAmicalsatDecoder.sh
+ ```
  
   
 
@@ -70,37 +77,41 @@ Selectionnez l'onglet Configuration
 
 ![MMI-Configuration]( ApplicationAmicalsat/src/site/images/AmicalsatDecoder-3.jpg)
 
- 1: allows you to indicate your callsign
+ **1** : allows you to indicate your callsign
  
-2: Allows you to indicate the latitude of the station in XX.XXS format for South or XX.XXN for North.
+ **2** : Allows you to indicate the latitude of the station in XX.XXS format for South or XX.XXN for North.
+
+ **3** : Allows you to indicate the longitude of the station in XX.XXE format for East or XX.XXW for West
 
-3: Allows you to indicate the longitude of the station in XX.XXE format for East or XX.XXW for West
+ **4** : if the box is checked, the frame sending to the Amicalsat database will be enabled. Data in 2,3 and 5 will be used.
 
-4: if the box is checked, the frame sending to the Amicalsat database will be enabled. Data in 2,3 and 5 will be used.
+ **5** : text used in the SIDS protocol to identify the source
 
-5: text used in the SIDS protocol to identify the source
+ **6** : If the box is checked, the frame sending to the SatnoGs database will be enabled. Data in 2,3 and 7 will be used
 
-6: If the box is checked, the frame sending to the SatnoGs database will be enabled. Data in 2,3 and 7 will be used
+ **7** : text used in the SIDS protocol to identify the source
 
-7: text used in the SIDS protocol to identify the source
+ **8** : Saves the configuration in a text file located in the Config. The configuration is taken into account immediately.
 
-8: Saves the configuration in a text file located in the Config. The configuration is taken into account immediately.
 
+When you running the software the next time, the same configuration is used.
 
-When you running the software the next time, the same configuration is used
+The data are sent to Two data base 
+* Amsat-F experimental data base :  [https://amsat.electrolab.fr/](https://amsat.electrolab.fr/)
+* SatNogs data base : [Satnogs](https://db.satnogs.org/satellite/99836/) 
 
 
 ## Modem connection and send data to data base  
 
 ![MMI-Configuration]( ApplicationAmicalsat/src/site/images/AmicalsatDecoder-1.jpg)
 
-0: if the software has access to the Internet, it will look for the latest information and indicate if a new version is available. The assignment of the TLE Number will be automatically updated.
+ **0** : if the software has access to the Internet, it will look for the latest information and indicate if a new version is available. The assignment of the TLE Number will be automatically updated.
 
-1: IP address of the soundmodem, by default localhost
+ **1** : IP address of the soundmodem, by default localhost
 
-2: Port, default 8100
+ **2** : Port, default 8100
 
-3: Start allows you to connect to Soundmodem. Soundmodem must have been launched before.
+ **3** : Start allows you to connect to Soundmodem. Soundmodem must have been launched before.
 
 Pressing the start button 3 starts the connection with the modem
  
@@ -108,12 +119,12 @@ Pressing the start button 3 starts the connection with the modem
  
  ![MMI-Configuration]( ApplicationAmicalsat/src/site/images/AmicalsatDecoder-2.jpg)
  
-1 : the result of the connection is displayed
+ **1** : the result of the connection is displayed
 
  * Connected to modem : the connection is made, the software is ready to receive a frame
  * TCP DISCONNECTED: the connection has been interrupted, no possibility to connect to modem. Verified that modem is running and configured correctly
-2 : The Stop button stops the connection with modem. This will be effective after receiving a frame
-3 : Allows you to save the received frames in a file. It is saved in the data directory at the root where the software was installed.
+ **2** : The Stop button stops the connection with modem. This will be effective after receiving a frame
+ **3** : Allows you to save the received frames in a file. It is saved in the data directory at the root where the software was installed.
 
 
  ## Question